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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mark E. Stamos — 4 Patents

Oakland, CA: #1,397 of 4,380 inventorsTop 35%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Mark E. Stamos has been granted 4 US patents. The first was granted in 1986 and the most recent in November 1993. Mark E. Stamos ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Mark E. Stamos in Oakland, CA, US.

Patents per Year

Patents granted per year, 1986 to 1993Bar chart with a peak of 1 patents in 1986.peak 11986: 1 patents19861989: 1 patents19891991: 1 patents19911993: 1 patents1993

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5259800 Microprocessor controlled system for testing and selectively reconditioning a CRT Gary C. Fields, Lawrence T. Pena 1993-11-09
5007077 Coin telephone message and management system Gary C. Fields, Lawrence T. Pena 1991-04-09
4839916 Telephone toll integrity checking system Gary C. Fields 1989-06-13
4633042 Electronic micro-controller conversion module for step by step switching apparatus Gary C. Fields 1986-12-30